Employee compensation and benefits - Employee compensation and benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of defined benefit plans [line items] | |||
| Employee compensation and benefits | $ 19,553 | $ 18,465 | $ 18,220 |
| Capitalised wages and salaries | 1,959 | 1,688 | 1,403 |
| Wages and salaries | 19,048 | 17,815 | 17,359 |
| Social security costs | 1,638 | 1,487 | 1,507 |
| Post-employment benefits | 826 | 851 | 757 |
| Gross employee compensation and benefits for the year ended 31 Dec | 21,512 | 20,153 | 19,623 |
| Software capitalisation costs | |||
| Disclosure of defined benefit plans [line items] | |||
| Capitalised wages and salaries | 1,400 | 1,100 | 1,000 |
| Insurance contract fulfillment cost | |||
| Disclosure of defined benefit plans [line items] | |||
| Capitalised wages and salaries | $ 600 | $ 600 | $ 400 |